DE2435512A1 - Verfahren zur herstellung von fluorwasserstoff und calciumsulfat - Google Patents
Verfahren zur herstellung von fluorwasserstoff und calciumsulfatInfo
- Publication number
- DE2435512A1 DE2435512A1 DE2435512A DE2435512A DE2435512A1 DE 2435512 A1 DE2435512 A1 DE 2435512A1 DE 2435512 A DE2435512 A DE 2435512A DE 2435512 A DE2435512 A DE 2435512A DE 2435512 A1 DE2435512 A1 DE 2435512A1
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- sulfuric acid
- heat
- fluorspar
- hot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 28
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 77
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 68
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 27
- 239000010436 fluorite Substances 0.000 claims description 21
- 239000007795 chemical reaction product Substances 0.000 claims description 18
- 235000011132 calcium sulphate Nutrition 0.000 claims description 11
- 239000011541 reaction mixture Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 241000237858 Gastropoda Species 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001175 calcium sulphate Substances 0.000 claims description 2
- 239000012429 reaction media Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 5
- 229910001634 calcium fluoride Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 229910004261 CaF 2 Inorganic materials 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 229910001512 metal fluoride Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 150000002222 fluorine compounds Chemical class 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000008396 flotation agent Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/192—Preparation from fluorspar
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Treating Waste Gases (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2435512A DE2435512A1 (de) | 1974-07-24 | 1974-07-24 | Verfahren zur herstellung von fluorwasserstoff und calciumsulfat |
| IN1277/CAL/1975A IN143502B (cs) | 1974-07-24 | 1975-06-27 | |
| US05/596,050 US4010245A (en) | 1974-07-24 | 1975-07-15 | Production of hydrogen fluoride and calcium sulfate |
| GB30386/75A GB1521511A (en) | 1974-07-24 | 1975-07-21 | Production of hydrogen fluoride and alkali metal or alkaline earth metal sulphate |
| JP50088918A JPS5135694A (en) | 1974-07-24 | 1975-07-22 | Futsukasuisosan oyobi ryusankarushiumunoseizoho oyobi seizosochi |
| NL7508761A NL7508761A (nl) | 1974-07-24 | 1975-07-22 | Werkwijze en inrichting ter bereiding van fluor- waterstof en van calciumsulfaat. |
| AU83282/75A AU8328275A (en) | 1974-07-24 | 1975-07-22 | Production of hydrogen fluoride and calcium sulfate |
| BE158478A BE831585A (fr) | 1974-07-24 | 1975-07-22 | Production de fluorure d'hydrogene et de sulfate de calcium |
| ZA00754750A ZA754750B (en) | 1974-07-24 | 1975-07-23 | Production of hydrogen fluoride and calcium sulfate |
| ES439669A ES439669A1 (es) | 1974-07-24 | 1975-07-23 | Procedimiento y aparato para la obtencion de acido fluorhi- drico y sulfato de calcio. |
| BR7504721*A BR7504721A (pt) | 1974-07-24 | 1975-07-24 | Processo para a preparacao de acido fluoridrico e sulfato de calcio |
| FR7523204A FR2279664A1 (fr) | 1974-07-24 | 1975-07-24 | Production de fluorure d'hydrogene et de sulfate de calcium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2435512A DE2435512A1 (de) | 1974-07-24 | 1974-07-24 | Verfahren zur herstellung von fluorwasserstoff und calciumsulfat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2435512A1 true DE2435512A1 (de) | 1976-02-05 |
Family
ID=5921344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2435512A Withdrawn DE2435512A1 (de) | 1974-07-24 | 1974-07-24 | Verfahren zur herstellung von fluorwasserstoff und calciumsulfat |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4010245A (cs) |
| JP (1) | JPS5135694A (cs) |
| AU (1) | AU8328275A (cs) |
| BE (1) | BE831585A (cs) |
| BR (1) | BR7504721A (cs) |
| DE (1) | DE2435512A1 (cs) |
| ES (1) | ES439669A1 (cs) |
| FR (1) | FR2279664A1 (cs) |
| GB (1) | GB1521511A (cs) |
| IN (1) | IN143502B (cs) |
| NL (1) | NL7508761A (cs) |
| ZA (1) | ZA754750B (cs) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3152830D2 (en) * | 1981-04-28 | 1983-04-07 | Buss Ag | Process and device for manufacturing synthetic anhydrous calcium sulphate and pure hydrofluoric acid |
| EP0100783A1 (de) * | 1982-08-13 | 1984-02-22 | Heinz List | Verfahren zur Durchführung von endothermen Prozessen |
| DE19823879C1 (de) * | 1998-05-28 | 1999-08-19 | Solvay Fluor & Derivate | Flußmittelrecycling |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217402A (ja) * | 1982-06-11 | 1983-12-17 | Asahi Glass Co Ltd | 弗化水素の製造方法 |
| EP0096817B1 (en) * | 1982-06-11 | 1987-08-05 | Asahi Glass Company Ltd. | Process for producing hydrogen fluoride |
| FR2564449B1 (fr) * | 1984-05-18 | 1988-06-03 | Atochem | Procede de fabrication d'acide fluorhydrique par reaction de l'acide sulfurique sur le spath fluor dans un four tournant |
| DE3913822A1 (de) * | 1989-04-26 | 1990-10-31 | Vaw Ver Aluminium Werke Ag | Verfahren zur herstellung chloridarmer gipsprodukte |
| DE10031562A1 (de) | 2000-06-28 | 2002-01-10 | Bayer Ag | Verfahren zur Herstellung von Fluorwasserstoff in einem Drehrohrofen |
| ES2366682T3 (es) * | 2007-02-02 | 2011-10-24 | Solvay Fluor Gmbh | Preparación de fluoruro de hidrógeno a partir de fluoruro de calcio y ácido sulfúrico. |
| WO2009130224A1 (en) * | 2008-04-22 | 2009-10-29 | Solvay Fluor Gmbh | Preparation of hydrogen fluoride from fluorspar or calcium fluoride containing waste material |
| JP5428594B2 (ja) * | 2009-07-06 | 2014-02-26 | ダイキン工業株式会社 | フッ化水素の製造方法 |
| CN108609586B (zh) * | 2018-08-08 | 2021-11-02 | 宣城亨泰电子化学材料有限公司 | 一种试剂级氢氟酸制作装置 |
| CN112062091A (zh) * | 2020-09-18 | 2020-12-11 | 宣城亨泰电子化学材料有限公司 | 一种无水氟化氢生产设备及其生产工艺 |
| CN112142009A (zh) * | 2020-09-22 | 2020-12-29 | 宜章弘源化工有限责任公司 | 无水氟化氢生产方法及其设备 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR85022E (fr) * | 1963-01-30 | 1965-05-28 | Electrochimie Soc | Perfectionnements aux procédés d'obtention d'acide fluorhydrique |
| US3607121A (en) * | 1969-12-19 | 1971-09-21 | Allied Chem | Rotary furnace having recycle provision |
| BE786915A (fr) * | 1971-07-29 | 1973-01-29 | Bayer Ag | Production d'acide fluorhydrique et de sulfates metalliques |
| US3718736A (en) * | 1971-09-20 | 1973-02-27 | Allied Chem | Process for the manufacture of hydrogen fluoride |
-
1974
- 1974-07-24 DE DE2435512A patent/DE2435512A1/de not_active Withdrawn
-
1975
- 1975-06-27 IN IN1277/CAL/1975A patent/IN143502B/en unknown
- 1975-07-15 US US05/596,050 patent/US4010245A/en not_active Expired - Lifetime
- 1975-07-21 GB GB30386/75A patent/GB1521511A/en not_active Expired
- 1975-07-22 AU AU83282/75A patent/AU8328275A/en not_active Expired
- 1975-07-22 JP JP50088918A patent/JPS5135694A/ja active Pending
- 1975-07-22 NL NL7508761A patent/NL7508761A/xx unknown
- 1975-07-22 BE BE158478A patent/BE831585A/xx unknown
- 1975-07-23 ZA ZA00754750A patent/ZA754750B/xx unknown
- 1975-07-23 ES ES439669A patent/ES439669A1/es not_active Expired
- 1975-07-24 FR FR7523204A patent/FR2279664A1/fr active Granted
- 1975-07-24 BR BR7504721*A patent/BR7504721A/pt unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3152830D2 (en) * | 1981-04-28 | 1983-04-07 | Buss Ag | Process and device for manufacturing synthetic anhydrous calcium sulphate and pure hydrofluoric acid |
| EP0077331A1 (de) † | 1981-04-28 | 1983-04-27 | Buss Ag | Verfahren und einrichtung zur herstellung von synthetischem anhydrit und reiner flusssäure. |
| EP0100783A1 (de) * | 1982-08-13 | 1984-02-22 | Heinz List | Verfahren zur Durchführung von endothermen Prozessen |
| DE19823879C1 (de) * | 1998-05-28 | 1999-08-19 | Solvay Fluor & Derivate | Flußmittelrecycling |
| US6207125B1 (en) | 1998-05-28 | 2001-03-27 | Solvay Fluor Und Derivate Gmbh | Recycling of flux material |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2279664A1 (fr) | 1976-02-20 |
| ZA754750B (en) | 1976-06-30 |
| ES439669A1 (es) | 1977-03-16 |
| IN143502B (cs) | 1977-12-10 |
| US4010245A (en) | 1977-03-01 |
| BR7504721A (pt) | 1976-07-06 |
| BE831585A (fr) | 1976-01-22 |
| FR2279664B1 (cs) | 1979-05-11 |
| AU8328275A (en) | 1977-01-27 |
| GB1521511A (en) | 1978-08-16 |
| JPS5135694A (en) | 1976-03-26 |
| NL7508761A (nl) | 1976-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |